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Add reference to tc-codel(8) to the SEE ALSO section
[mirror_iproute2.git] / ip / ipaddress.c
CommitLineData
aba5acdf
SH		 1/*
2 * ipaddress.c "ip address".
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 *
9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
10 *
aba5acdf
SH		 11 */
12
13#include <stdio.h>
14#include <stdlib.h>
15#include <unistd.h>
16#include <syslog.h>
e6e6fb5c 17#include <inttypes.h>
aba5acdf
SH		 18#include <fcntl.h>
19#include <sys/ioctl.h>
20#include <sys/socket.h>
21#include <sys/ioctl.h>
3d866ba2 22#include <sys/errno.h>
aba5acdf
SH		 23#include <netinet/in.h>
24#include <arpa/inet.h>
25#include <string.h>
26#include <fnmatch.h>
27
e5779fb2
SH		 28#include <linux/netdevice.h>
29#include <linux/if_arp.h>
30#include <linux/sockios.h>
31
aba5acdf
SH		 32#include "rt_names.h"
33#include "utils.h"
34#include "ll_map.h"
35#include "ip_common.h"
36
7b3d366e 37
aba5acdf
SH		 38static struct
39{
40 int ifindex;
41 int family;
42 int oneline;
43 int showqueue;
44 inet_prefix pfx;
45 int scope, scopemask;
46 int flags, flagmask;
47 int up;
48 char *label;
49 int flushed;
50 char *flushb;
51 int flushp;
52 int flushe;
f960c92a 53 int group;
aba5acdf
SH		 54} filter;
55
56static int do_link;
57
58static void usage(void) __attribute__((noreturn));
59
60static void usage(void)
61{
62 if (do_link) {
63 iplink_usage();
64 }
0aef366b 65 fprintf(stderr, "Usage: ip addr {add|change|replace} IFADDR dev STRING [ LIFETIME ]\n");
a1f27794 66 fprintf(stderr, " [ CONFFLAG-LIST ]\n");
35546df7 67 fprintf(stderr, " ip addr del IFADDR dev STRING\n");
aba5acdf
SH		 68 fprintf(stderr, " ip addr {show|flush} [ dev STRING ] [ scope SCOPE-ID ]\n");
69 fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]\n");
70 fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n");
71 fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n");
72 fprintf(stderr, " [ label STRING ] [ scope SCOPE-ID ]\n");
73 fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n");
74 fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
75 fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n");
a1b9ffcc 76 fprintf(stderr, " tentative | deprecated | dadfailed | temporary |\n");
a1f27794 77 fprintf(stderr, " CONFFLAG-LIST ]\n");
bac735c5
NT		 78 fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
79 fprintf(stderr, "CONFFLAG := [ home | nodad ]\n");
35546df7
MN		 80 fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n");
81 fprintf(stderr, "LFT := forever | SECONDS\n");
82
aba5acdf
SH		 83 exit(-1);
84}
85
86void print_link_flags(FILE *fp, unsigned flags, unsigned mdown)
87{
88 fprintf(fp, "<");
73b49e9f 89 if (flags & IFF_UP && !(flags & IFF_RUNNING))
90 fprintf(fp, "NO-CARRIER%s", flags ? "," : "");
aba5acdf
SH		 91 flags &= ~IFF_RUNNING;
92#define _PF(f) if (flags&IFF_##f) { \
93 flags &= ~IFF_##f ; \
94 fprintf(fp, #f "%s", flags ? "," : ""); }
95 _PF(LOOPBACK);
96 _PF(BROADCAST);
97 _PF(POINTOPOINT);
98 _PF(MULTICAST);
99 _PF(NOARP);
100 _PF(ALLMULTI);
101 _PF(PROMISC);
102 _PF(MASTER);
103 _PF(SLAVE);
104 _PF(DEBUG);
105 _PF(DYNAMIC);
106 _PF(AUTOMEDIA);
107 _PF(PORTSEL);
108 _PF(NOTRAILERS);
109 _PF(UP);
dcb283c3
TG		 110 _PF(LOWER_UP);
111 _PF(DORMANT);
98f9a1d2 112 _PF(ECHO);
aba5acdf
SH		 113#undef _PF
114 if (flags)
115 fprintf(fp, "%x", flags);
116 if (mdown)
117 fprintf(fp, ",M-DOWN");
118 fprintf(fp, "> ");
119}
120
3d866ba2
SH		 121static const char *oper_states[] = {
122 "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
123 "TESTING", "DORMANT", "UP"
124};
125
126static void print_operstate(FILE *f, __u8 state)
127{
128 if (state >= sizeof(oper_states)/sizeof(oper_states[0]))
129 fprintf(f, "state %#x ", state);
130 else
131 fprintf(f, "state %s ", oper_states[state]);
132}
133
4f2fdd44
SH		 134int get_operstate(const char *name)
135{
136 int i;
137
138 for (i = 0; i < sizeof(oper_states)/sizeof(oper_states[0]); i++)
139 if (strcasecmp(name, oper_states[i]) == 0)
140 return i;
141 return -1;
142}
143
f78e316f 144static void print_queuelen(FILE *f, struct rtattr *tb[IFLA_MAX + 1])
aba5acdf 145{
f78e316f
ED		 146 int qlen;
147
148 if (tb[IFLA_TXQLEN])
149 qlen = *(int *)RTA_DATA(tb[IFLA_TXQLEN]);
150 else {
151 struct ifreq ifr;
152 int s = socket(AF_INET, SOCK_STREAM, 0);
153
154 if (s < 0)
155 return;
156
157 memset(&ifr, 0, sizeof(ifr));
ff24746c 158 strcpy(ifr.ifr_name, rta_getattr_str(tb[IFLA_IFNAME]));
f78e316f
ED		 159 if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) {
160 fprintf(f, "ioctl(SIOCGIFXQLEN) failed: %s\n", strerror(errno));
161 close(s);
162 return;
163 }
aba5acdf 164 close(s);
f78e316f 165 qlen = ifr.ifr_qlen;
aba5acdf 166 }
f78e316f
ED		 167 if (qlen)
168 fprintf(f, "qlen %d", qlen);
aba5acdf
SH		 169}
170
82499282
SH		 171static const char *link_modes[] = {
172 "DEFAULT", "DORMANT"
173};
174
175static void print_linkmode(FILE *f, struct rtattr *tb)
176{
177 unsigned int mode = rta_getattr_u8(tb);
178
179 if (mode >= sizeof(link_modes) / sizeof(link_modes[0]))
180 fprintf(f, "mode %d ", mode);
181 else
182 fprintf(f, "mode %s ", link_modes[mode]);
183}
184
1d934839
PM		 185static void print_linktype(FILE *fp, struct rtattr *tb)
186{
187 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
188 struct link_util *lu;
189 char *kind;
190
191 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
192
193 if (!linkinfo[IFLA_INFO_KIND])
194 return;
195 kind = RTA_DATA(linkinfo[IFLA_INFO_KIND]);
196
197 fprintf(fp, "%s", _SL_);
198 fprintf(fp, " %s ", kind);
199
200 lu = get_link_kind(kind);
201 if (!lu || !lu->print_opt)
202 return;
203
204 if (1) {
205 struct rtattr *attr[lu->maxattr+1], **data = NULL;
206
207 if (linkinfo[IFLA_INFO_DATA]) {
208 parse_rtattr_nested(attr, lu->maxattr,
209 linkinfo[IFLA_INFO_DATA]);
210 data = attr;
211 }
212 lu->print_opt(lu, fp, data);
213
214 if (linkinfo[IFLA_INFO_XSTATS] && show_stats &&
215 lu->print_xstats)
216 lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]);
217 }
218}
219
3fd86630
CW		 220static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
221{
222 struct ifla_vf_mac *vf_mac;
223 struct ifla_vf_vlan *vf_vlan;
224 struct ifla_vf_tx_rate *vf_tx_rate;
7b8179c7 225 struct ifla_vf_spoofchk *vf_spoofchk;
3fd86630 226 struct rtattr *vf[IFLA_VF_MAX+1];
7b8179c7 227 struct rtattr *tmp;
3fd86630
CW		 228 SPRINT_BUF(b1);
229
230 if (vfinfo->rta_type != IFLA_VF_INFO) {
231 fprintf(stderr, "BUG: rta type is %d\n", vfinfo->rta_type);
232 return;
233 }
234
235 parse_rtattr_nested(vf, IFLA_VF_MAX, vfinfo);
236
237 vf_mac = RTA_DATA(vf[IFLA_VF_MAC]);
238 vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
239 vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
240
7b8179c7
GR		 241 /* Check if the spoof checking vf info type is supported by
242 * this kernel.
243 */
244 tmp = (struct rtattr *)((char *)vf[IFLA_VF_TX_RATE] +
245 vf[IFLA_VF_TX_RATE]->rta_len);
246
247 if (tmp->rta_type != IFLA_VF_SPOOFCHK)
248 vf_spoofchk = NULL;
249 else
250 vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
251
3fd86630
CW		 252 fprintf(fp, "\n vf %d MAC %s", vf_mac->vf,
253 ll_addr_n2a((unsigned char *)&vf_mac->mac,
254 ETH_ALEN, 0, b1, sizeof(b1)));
255 if (vf_vlan->vlan)
256 fprintf(fp, ", vlan %d", vf_vlan->vlan);
257 if (vf_vlan->qos)
258 fprintf(fp, ", qos %d", vf_vlan->qos);
259 if (vf_tx_rate->rate)
260 fprintf(fp, ", tx rate %d (Mbps)", vf_tx_rate->rate);
7b8179c7
GR		 261 if (vf_spoofchk && vf_spoofchk->setting != -1) {
262 if (vf_spoofchk->setting)
263 fprintf(fp, ", spoof checking on");
264 else
265 fprintf(fp, ", spoof checking off");
266 }
3fd86630
CW		 267}
268
e6e6fb5c
SH		 269static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s) {
270 fprintf(fp, "%s", _SL_);
271 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
272 s->rx_compressed ? "compressed" : "", _SL_);
273 fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
274 (uint64_t)s->rx_bytes,
275 (uint64_t)s->rx_packets,
276 (uint64_t)s->rx_errors,
277 (uint64_t)s->rx_dropped,
278 (uint64_t)s->rx_over_errors,
279 (uint64_t)s->multicast);
280 if (s->rx_compressed)
281 fprintf(fp, " %-7"PRIu64"",
282 (uint64_t)s->rx_compressed);
283 if (show_stats > 1) {
284 fprintf(fp, "%s", _SL_);
285 fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
286 fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
287 (uint64_t)s->rx_length_errors,
288 (uint64_t)s->rx_crc_errors,
289 (uint64_t)s->rx_frame_errors,
290 (uint64_t)s->rx_fifo_errors,
291 (uint64_t)s->rx_missed_errors);
292 }
293 fprintf(fp, "%s", _SL_);
294 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
295 (uint64_t)s->tx_compressed ? "compressed" : "", _SL_);
296 fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
297 (uint64_t)s->tx_bytes,
298 (uint64_t)s->tx_packets,
299 (uint64_t)s->tx_errors,
300 (uint64_t)s->tx_dropped,
301 (uint64_t)s->tx_carrier_errors,
302 (uint64_t)s->collisions);
303 if (s->tx_compressed)
304 fprintf(fp, " %-7"PRIu64"",
305 (uint64_t)s->tx_compressed);
306 if (show_stats > 1) {
307 fprintf(fp, "%s", _SL_);
308 fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_);
309 fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
310 (uint64_t)s->tx_aborted_errors,
311 (uint64_t)s->tx_fifo_errors,
312 (uint64_t)s->tx_window_errors,
313 (uint64_t)s->tx_heartbeat_errors);
314 }
315}
316
317static void print_link_stats(FILE *fp, const struct rtnl_link_stats *s)
318{
319 fprintf(fp, "%s", _SL_);
320 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
321 s->rx_compressed ? "compressed" : "", _SL_);
322 fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
323 s->rx_bytes, s->rx_packets, s->rx_errors,
324 s->rx_dropped, s->rx_over_errors,
325 s->multicast
326 );
327 if (s->rx_compressed)
328 fprintf(fp, " %-7u", s->rx_compressed);
329 if (show_stats > 1) {
330 fprintf(fp, "%s", _SL_);
331 fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
332 fprintf(fp, " %-7u %-7u %-7u %-7u %-7u",
333 s->rx_length_errors,
334 s->rx_crc_errors,
335 s->rx_frame_errors,
336 s->rx_fifo_errors,
337 s->rx_missed_errors
338 );
339 }
340 fprintf(fp, "%s", _SL_);
341 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
342 s->tx_compressed ? "compressed" : "", _SL_);
343 fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
344 s->tx_bytes, s->tx_packets, s->tx_errors,
345 s->tx_dropped, s->tx_carrier_errors, s->collisions);
346 if (s->tx_compressed)
347 fprintf(fp, " %-7u", s->tx_compressed);
348 if (show_stats > 1) {
349 fprintf(fp, "%s", _SL_);
350 fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_);
351 fprintf(fp, " %-7u %-7u %-7u %-7u",
352 s->tx_aborted_errors,
353 s->tx_fifo_errors,
354 s->tx_window_errors,
355 s->tx_heartbeat_errors
356 );
357 }
358}
359
ae665a52 360int print_linkinfo(const struct sockaddr_nl *who,
50772dc5 361 struct nlmsghdr *n, void *arg)
aba5acdf
SH		 362{
363 FILE *fp = (FILE*)arg;
364 struct ifinfomsg *ifi = NLMSG_DATA(n);
365 struct rtattr * tb[IFLA_MAX+1];
366 int len = n->nlmsg_len;
367 unsigned m_flag = 0;
368
369 if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK)
370 return 0;
371
372 len -= NLMSG_LENGTH(sizeof(*ifi));
373 if (len < 0)
374 return -1;
375
376 if (filter.ifindex && ifi->ifi_index != filter.ifindex)
377 return 0;
378 if (filter.up && !(ifi->ifi_flags&IFF_UP))
379 return 0;
380
aba5acdf
SH		 381 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
382 if (tb[IFLA_IFNAME] == NULL) {
4cd23bdd 383 fprintf(stderr, "BUG: device with ifindex %d has nil ifname\n", ifi->ifi_index);
aba5acdf
SH		 384 }
385 if (filter.label &&
386 (!filter.family || filter.family == AF_PACKET) &&
387 fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0))
388 return 0;
389
f960c92a
VD		 390 if (tb[IFLA_GROUP]) {
391 int group = *(int*)RTA_DATA(tb[IFLA_GROUP]);
392 if (group != filter.group)
393 return -1;
394 }
395
aba5acdf
SH		 396 if (n->nlmsg_type == RTM_DELLINK)
397 fprintf(fp, "Deleted ");
398
399 fprintf(fp, "%d: %s", ifi->ifi_index,
ff24746c 400 tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>");
aba5acdf
SH		 401
402 if (tb[IFLA_LINK]) {
403 SPRINT_BUF(b1);
404 int iflink = *(int*)RTA_DATA(tb[IFLA_LINK]);
405 if (iflink == 0)
406 fprintf(fp, "@NONE: ");
407 else {
408 fprintf(fp, "@%s: ", ll_idx_n2a(iflink, b1));
409 m_flag = ll_index_to_flags(iflink);
410 m_flag = !(m_flag & IFF_UP);
411 }
412 } else {
413 fprintf(fp, ": ");
414 }
415 print_link_flags(fp, ifi->ifi_flags, m_flag);
416
417 if (tb[IFLA_MTU])
418 fprintf(fp, "mtu %u ", *(int*)RTA_DATA(tb[IFLA_MTU]));
419 if (tb[IFLA_QDISC])
ff24746c 420 fprintf(fp, "qdisc %s ", rta_getattr_str(tb[IFLA_QDISC]));
aba5acdf
SH		 421 if (tb[IFLA_MASTER]) {
422 SPRINT_BUF(b1);
423 fprintf(fp, "master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1));
424 }
82499282 425
3d866ba2 426 if (tb[IFLA_OPERSTATE])
ff24746c 427 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
82499282
SH		 428
429 if (do_link && tb[IFLA_LINKMODE])
430 print_linkmode(fp, tb[IFLA_LINKMODE]);
431
aba5acdf 432 if (filter.showqueue)
f78e316f 433 print_queuelen(fp, tb);
ae665a52 434
aba5acdf
SH		 435 if (!filter.family || filter.family == AF_PACKET) {
436 SPRINT_BUF(b1);
437 fprintf(fp, "%s", _SL_);
438 fprintf(fp, " link/%s ", ll_type_n2a(ifi->ifi_type, b1, sizeof(b1)));
439
440 if (tb[IFLA_ADDRESS]) {
441 fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
442 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
443 ifi->ifi_type,
444 b1, sizeof(b1)));
445 }
446 if (tb[IFLA_BROADCAST]) {
447 if (ifi->ifi_flags&IFF_POINTOPOINT)
448 fprintf(fp, " peer ");
449 else
450 fprintf(fp, " brd ");
451 fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
452 RTA_PAYLOAD(tb[IFLA_BROADCAST]),
453 ifi->ifi_type,
454 b1, sizeof(b1)));
455 }
456 }
1d934839
PM		 457
458 if (do_link && tb[IFLA_LINKINFO] && show_details)
459 print_linktype(fp, tb[IFLA_LINKINFO]);
460
ace9c961
SH		 461 if (do_link && tb[IFLA_IFALIAS])
462 fprintf(fp,"\n alias %s",
ff24746c 463 rta_getattr_str(tb[IFLA_IFALIAS]));
ace9c961 464
e6e6fb5c
SH		 465 if (do_link && show_stats) {
466 if (tb[IFLA_STATS64])
467 print_link_stats64(fp, RTA_DATA(tb[IFLA_STATS64]));
468 else if (tb[IFLA_STATS])
469 print_link_stats(fp, RTA_DATA(tb[IFLA_STATS]));
ae7229d5 470 }
e6e6fb5c 471
3fd86630
CW		 472 if (do_link && tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF]) {
473 struct rtattr *i, *vflist = tb[IFLA_VFINFO_LIST];
474 int rem = RTA_PAYLOAD(vflist);
475 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem))
476 print_vfinfo(fp, i);
aba5acdf 477 }
3fd86630 478
aba5acdf
SH		 479 fprintf(fp, "\n");
480 fflush(fp);
481 return 0;
482}
483
484static int flush_update(void)
485{
f31a37f7 486 if (rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) {
1fb0a998 487 perror("Failed to send flush request");
aba5acdf
SH		 488 return -1;
489 }
490 filter.flushp = 0;
491 return 0;
492}
493
35546df7
MN		 494static int set_lifetime(unsigned int *lifetime, char *argv)
495{
496 if (strcmp(argv, "forever") == 0)
141bb606 497 *lifetime = INFINITY_LIFE_TIME;
35546df7
MN		 498 else if (get_u32(lifetime, argv, 0))
499 return -1;
500
501 return 0;
502}
503
ae665a52 504int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
6dc9f016 505 void *arg)
aba5acdf
SH		 506{
507 FILE *fp = (FILE*)arg;
508 struct ifaddrmsg *ifa = NLMSG_DATA(n);
509 int len = n->nlmsg_len;
037d950b 510 int deprecated = 0;
3bc1c4f2
BG		 511 /* Use local copy of ifa_flags to not interfere with filtering code */
512 unsigned int ifa_flags;
aba5acdf
SH		 513 struct rtattr * rta_tb[IFA_MAX+1];
514 char abuf[256];
515 SPRINT_BUF(b1);
516
517 if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR)
518 return 0;
519 len -= NLMSG_LENGTH(sizeof(*ifa));
520 if (len < 0) {
521 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
522 return -1;
523 }
524
525 if (filter.flushb && n->nlmsg_type != RTM_NEWADDR)
526 return 0;
527
aba5acdf
SH		 528 parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa), n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
529
530 if (!rta_tb[IFA_LOCAL])
531 rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS];
532 if (!rta_tb[IFA_ADDRESS])
533 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL];
534
535 if (filter.ifindex && filter.ifindex != ifa->ifa_index)
536 return 0;
537 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
538 return 0;
539 if ((filter.flags^ifa->ifa_flags)&filter.flagmask)
540 return 0;
541 if (filter.label) {
542 SPRINT_BUF(b1);
543 const char *label;
544 if (rta_tb[IFA_LABEL])
545 label = RTA_DATA(rta_tb[IFA_LABEL]);
546 else
547 label = ll_idx_n2a(ifa->ifa_index, b1);
548 if (fnmatch(filter.label, label, 0) != 0)
549 return 0;
550 }
551 if (filter.pfx.family) {
552 if (rta_tb[IFA_LOCAL]) {
553 inet_prefix dst;
554 memset(&dst, 0, sizeof(dst));
555 dst.family = ifa->ifa_family;
556 memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL]));
557 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
558 return 0;
559 }
560 }
561
3eb1731b 562 if (filter.family && filter.family != ifa->ifa_family)
563 return 0;
564
aba5acdf
SH		 565 if (filter.flushb) {
566 struct nlmsghdr *fn;
567 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
568 if (flush_update())
569 return -1;
570 }
571 fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp));
572 memcpy(fn, n, n->nlmsg_len);
573 fn->nlmsg_type = RTM_DELADDR;
574 fn->nlmsg_flags = NLM_F_REQUEST;
351efcde 575 fn->nlmsg_seq = ++rth.seq;
aba5acdf
SH		 576 filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb;
577 filter.flushed++;
578 if (show_stats < 2)
579 return 0;
580 }
581
582 if (n->nlmsg_type == RTM_DELADDR)
583 fprintf(fp, "Deleted ");
584
585 if (filter.oneline || filter.flushb)
586 fprintf(fp, "%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index));
587 if (ifa->ifa_family == AF_INET)
588 fprintf(fp, " inet ");
589 else if (ifa->ifa_family == AF_INET6)
590 fprintf(fp, " inet6 ");
591 else if (ifa->ifa_family == AF_DECnet)
592 fprintf(fp, " dnet ");
593 else if (ifa->ifa_family == AF_IPX)
594 fprintf(fp, " ipx ");
595 else
596 fprintf(fp, " family %d ", ifa->ifa_family);
597
598 if (rta_tb[IFA_LOCAL]) {
599 fprintf(fp, "%s", rt_addr_n2a(ifa->ifa_family,
600 RTA_PAYLOAD(rta_tb[IFA_LOCAL]),
601 RTA_DATA(rta_tb[IFA_LOCAL]),
602 abuf, sizeof(abuf)));
603
604 if (rta_tb[IFA_ADDRESS] == NULL ||
605 memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]), RTA_DATA(rta_tb[IFA_LOCAL]), 4) == 0) {
606 fprintf(fp, "/%d ", ifa->ifa_prefixlen);
607 } else {
608 fprintf(fp, " peer %s/%d ",
609 rt_addr_n2a(ifa->ifa_family,
610 RTA_PAYLOAD(rta_tb[IFA_ADDRESS]),
611 RTA_DATA(rta_tb[IFA_ADDRESS]),
612 abuf, sizeof(abuf)),
613 ifa->ifa_prefixlen);
614 }
615 }
616
617 if (rta_tb[IFA_BROADCAST]) {
618 fprintf(fp, "brd %s ",
619 rt_addr_n2a(ifa->ifa_family,
620 RTA_PAYLOAD(rta_tb[IFA_BROADCAST]),
621 RTA_DATA(rta_tb[IFA_BROADCAST]),
622 abuf, sizeof(abuf)));
623 }
624 if (rta_tb[IFA_ANYCAST]) {
625 fprintf(fp, "any %s ",
626 rt_addr_n2a(ifa->ifa_family,
627 RTA_PAYLOAD(rta_tb[IFA_ANYCAST]),
628 RTA_DATA(rta_tb[IFA_ANYCAST]),
629 abuf, sizeof(abuf)));
630 }
631 fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
3bc1c4f2 632 ifa_flags = ifa->ifa_flags;
aba5acdf 633 if (ifa->ifa_flags&IFA_F_SECONDARY) {
3bc1c4f2 634 ifa_flags &= ~IFA_F_SECONDARY;
a1b9ffcc
BH		 635 if (ifa->ifa_family == AF_INET6)
636 fprintf(fp, "temporary ");
637 else
638 fprintf(fp, "secondary ");
aba5acdf
SH		 639 }
640 if (ifa->ifa_flags&IFA_F_TENTATIVE) {
3bc1c4f2 641 ifa_flags &= ~IFA_F_TENTATIVE;
aba5acdf
SH		 642 fprintf(fp, "tentative ");
643 }
644 if (ifa->ifa_flags&IFA_F_DEPRECATED) {
3bc1c4f2 645 ifa_flags &= ~IFA_F_DEPRECATED;
037d950b 646 deprecated = 1;
aba5acdf
SH		 647 fprintf(fp, "deprecated ");
648 }
bac735c5 649 if (ifa->ifa_flags&IFA_F_HOMEADDRESS) {
3bc1c4f2 650 ifa_flags &= ~IFA_F_HOMEADDRESS;
bac735c5
NT		 651 fprintf(fp, "home ");
652 }
653 if (ifa->ifa_flags&IFA_F_NODAD) {
3bc1c4f2 654 ifa_flags &= ~IFA_F_NODAD;
bac735c5
NT		 655 fprintf(fp, "nodad ");
656 }
aba5acdf
SH		 657 if (!(ifa->ifa_flags&IFA_F_PERMANENT)) {
658 fprintf(fp, "dynamic ");
659 } else
3bc1c4f2 660 ifa_flags &= ~IFA_F_PERMANENT;
f4af851b 661 if (ifa->ifa_flags&IFA_F_DADFAILED) {
3bc1c4f2 662 ifa_flags &= ~IFA_F_DADFAILED;
f4af851b
BH		 663 fprintf(fp, "dadfailed ");
664 }
3bc1c4f2
BG		 665 if (ifa_flags)
666 fprintf(fp, "flags %02x ", ifa_flags);
aba5acdf 667 if (rta_tb[IFA_LABEL])
ff24746c 668 fprintf(fp, "%s", rta_getattr_str(rta_tb[IFA_LABEL]));
aba5acdf
SH		 669 if (rta_tb[IFA_CACHEINFO]) {
670 struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]);
aba5acdf 671 fprintf(fp, "%s", _SL_);
f66efadd 672 fprintf(fp, " valid_lft ");
141bb606 673 if (ci->ifa_valid == INFINITY_LIFE_TIME)
f66efadd 674 fprintf(fp, "forever");
aba5acdf 675 else
f66efadd
AS		 676 fprintf(fp, "%usec", ci->ifa_valid);
677 fprintf(fp, " preferred_lft ");
141bb606 678 if (ci->ifa_prefered == INFINITY_LIFE_TIME)
f66efadd 679 fprintf(fp, "forever");
037d950b
BG		 680 else {
681 if (deprecated)
f66efadd 682 fprintf(fp, "%dsec", ci->ifa_prefered);
037d950b 683 else
f66efadd 684 fprintf(fp, "%usec", ci->ifa_prefered);
037d950b 685 }
aba5acdf
SH		 686 }
687 fprintf(fp, "\n");
688 fflush(fp);
689 return 0;
690}
691
b49240ec
SH		 692int print_addrinfo_primary(const struct sockaddr_nl *who, struct nlmsghdr *n,
693 void *arg)
694{
695 struct ifaddrmsg *ifa = NLMSG_DATA(n);
696
3bc1c4f2 697 if (ifa->ifa_flags & IFA_F_SECONDARY)
b49240ec
SH		 698 return 0;
699
700 return print_addrinfo(who, n, arg);
701}
702
703int print_addrinfo_secondary(const struct sockaddr_nl *who, struct nlmsghdr *n,
704 void *arg)
705{
706 struct ifaddrmsg *ifa = NLMSG_DATA(n);
707
3bc1c4f2 708 if (!(ifa->ifa_flags & IFA_F_SECONDARY))
b49240ec
SH		 709 return 0;
710
711 return print_addrinfo(who, n, arg);
712}
aba5acdf
SH		 713
714struct nlmsg_list
715{
716 struct nlmsg_list *next;
717 struct nlmsghdr h;
718};
719
3d866ba2 720static int print_selected_addrinfo(int ifindex, struct nlmsg_list *ainfo, FILE *fp)
aba5acdf
SH		 721{
722 for ( ;ainfo ; ainfo = ainfo->next) {
723 struct nlmsghdr *n = &ainfo->h;
724 struct ifaddrmsg *ifa = NLMSG_DATA(n);
725
726 if (n->nlmsg_type != RTM_NEWADDR)
727 continue;
728
729 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa)))
730 return -1;
731
ae665a52 732 if (ifa->ifa_index != ifindex ||
aba5acdf
SH		 733 (filter.family && filter.family != ifa->ifa_family))
734 continue;
735
736 print_addrinfo(NULL, n, fp);
737 }
738 return 0;
739}
740
741
ae665a52 742static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
6dc9f016 743 void *arg)
aba5acdf
SH		 744{
745 struct nlmsg_list **linfo = (struct nlmsg_list**)arg;
746 struct nlmsg_list *h;
747 struct nlmsg_list **lp;
748
749 h = malloc(n->nlmsg_len+sizeof(void*));
750 if (h == NULL)
751 return -1;
752
753 memcpy(&h->h, n, n->nlmsg_len);
754 h->next = NULL;
755
756 for (lp = linfo; *lp; lp = &(*lp)->next) /* NOTHING */;
757 *lp = h;
758
759 ll_remember_index(who, n, NULL);
760 return 0;
761}
762
3d866ba2 763static int ipaddr_list_or_flush(int argc, char **argv, int flush)
aba5acdf
SH		 764{
765 struct nlmsg_list *linfo = NULL;
766 struct nlmsg_list *ainfo = NULL;
8ed63ab1 767 struct nlmsg_list *l, *n;
aba5acdf
SH		 768 char *filter_dev = NULL;
769 int no_link = 0;
770
771 ipaddr_reset_filter(oneline);
772 filter.showqueue = 1;
773
774 if (filter.family == AF_UNSPEC)
775 filter.family = preferred_family;
776
242b8da7 777 filter.group = INIT_NETDEV_GROUP;
f960c92a 778
aba5acdf
SH		 779 if (flush) {
780 if (argc <= 0) {
781 fprintf(stderr, "Flush requires arguments.\n");
f960c92a 782
aba5acdf
SH		 783 return -1;
784 }
785 if (filter.family == AF_PACKET) {
786 fprintf(stderr, "Cannot flush link addresses.\n");
787 return -1;
788 }
789 }
790
791 while (argc > 0) {
792 if (strcmp(*argv, "to") == 0) {
793 NEXT_ARG();
794 get_prefix(&filter.pfx, *argv, filter.family);
795 if (filter.family == AF_UNSPEC)
796 filter.family = filter.pfx.family;
797 } else if (strcmp(*argv, "scope") == 0) {
f332d169 798 unsigned scope = 0;
aba5acdf
SH		 799 NEXT_ARG();
800 filter.scopemask = -1;
801 if (rtnl_rtscope_a2n(&scope, *argv)) {
802 if (strcmp(*argv, "all") != 0)
803 invarg("invalid \"scope\"\n", *argv);
804 scope = RT_SCOPE_NOWHERE;
805 filter.scopemask = 0;
806 }
807 filter.scope = scope;
808 } else if (strcmp(*argv, "up") == 0) {
809 filter.up = 1;
810 } else if (strcmp(*argv, "dynamic") == 0) {
811 filter.flags &= ~IFA_F_PERMANENT;
812 filter.flagmask |= IFA_F_PERMANENT;
813 } else if (strcmp(*argv, "permanent") == 0) {
814 filter.flags |= IFA_F_PERMANENT;
815 filter.flagmask |= IFA_F_PERMANENT;
a1b9ffcc
BH		 816 } else if (strcmp(*argv, "secondary") == 0 ||
817 strcmp(*argv, "temporary") == 0) {
aba5acdf
SH		 818 filter.flags |= IFA_F_SECONDARY;
819 filter.flagmask |= IFA_F_SECONDARY;
820 } else if (strcmp(*argv, "primary") == 0) {
821 filter.flags &= ~IFA_F_SECONDARY;
822 filter.flagmask |= IFA_F_SECONDARY;
823 } else if (strcmp(*argv, "tentative") == 0) {
824 filter.flags |= IFA_F_TENTATIVE;
825 filter.flagmask |= IFA_F_TENTATIVE;
826 } else if (strcmp(*argv, "deprecated") == 0) {
827 filter.flags |= IFA_F_DEPRECATED;
828 filter.flagmask |= IFA_F_DEPRECATED;
bac735c5
NT		 829 } else if (strcmp(*argv, "home") == 0) {
830 filter.flags |= IFA_F_HOMEADDRESS;
831 filter.flagmask |= IFA_F_HOMEADDRESS;
832 } else if (strcmp(*argv, "nodad") == 0) {
833 filter.flags |= IFA_F_NODAD;
834 filter.flagmask |= IFA_F_NODAD;
a1f27794
BH		 835 } else if (strcmp(*argv, "dadfailed") == 0) {
836 filter.flags |= IFA_F_DADFAILED;
837 filter.flagmask |= IFA_F_DADFAILED;
aba5acdf
SH		 838 } else if (strcmp(*argv, "label") == 0) {
839 NEXT_ARG();
840 filter.label = *argv;
f960c92a
VD		 841 } else if (strcmp(*argv, "group") == 0) {
842 NEXT_ARG();
843 if (rtnl_group_a2n(&filter.group, *argv))
844 invarg("Invalid \"group\" value\n", *argv);
aba5acdf
SH		 845 } else {
846 if (strcmp(*argv, "dev") == 0) {
847 NEXT_ARG();
848 }
849 if (matches(*argv, "help") == 0)
850 usage();
851 if (filter_dev)
852 duparg2("dev", *argv);
853 filter_dev = *argv;
854 }
855 argv++; argc--;
856 }
857
aba5acdf
SH		 858 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETLINK) < 0) {
859 perror("Cannot send dump request");
860 exit(1);
861 }
862
cd70f3f5 863 if (rtnl_dump_filter(&rth, store_nlmsg, &linfo) < 0) {
aba5acdf
SH		 864 fprintf(stderr, "Dump terminated\n");
865 exit(1);
866 }
867
868 if (filter_dev) {
869 filter.ifindex = ll_name_to_index(filter_dev);
870 if (filter.ifindex <= 0) {
871 fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
872 return -1;
873 }
874 }
875
876 if (flush) {
877 int round = 0;
878 char flushb[4096-512];
879
880 filter.flushb = flushb;
881 filter.flushp = 0;
882 filter.flushe = sizeof(flushb);
aba5acdf 883
64c79560 884 while ((max_flush_loops == 0) || (round < max_flush_loops)) {
b49240ec
SH		 885 const struct rtnl_dump_filter_arg a[3] = {
886 {
887 .filter = print_addrinfo_secondary,
888 .arg1 = stdout,
b49240ec
SH		 889 },
890 {
891 .filter = print_addrinfo_primary,
892 .arg1 = stdout,
b49240ec
SH		 893 },
894 {
895 .filter = NULL,
896 .arg1 = NULL,
b49240ec
SH		 897 },
898 };
aba5acdf
SH		 899 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
900 perror("Cannot send dump request");
901 exit(1);
902 }
903 filter.flushed = 0;
b49240ec 904 if (rtnl_dump_filter_l(&rth, a) < 0) {
aba5acdf
SH		 905 fprintf(stderr, "Flush terminated\n");
906 exit(1);
907 }
908 if (filter.flushed == 0) {
3bc1c4f2 909flush_done:
f0b34d2d
AH		 910 if (show_stats) {
911 if (round == 0)
912 printf("Nothing to flush.\n");
913 else
914 printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":"");
915 }
aba5acdf
SH		 916 fflush(stdout);
917 return 0;
918 }
919 round++;
920 if (flush_update() < 0)
351efcde
SH		 921 return 1;
922
aba5acdf
SH		 923 if (show_stats) {
924 printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed);
925 fflush(stdout);
926 }
3bc1c4f2
BG		 927
928 /* If we are flushing, and specifying primary, then we
929 * want to flush only a single round. Otherwise, we'll
930 * start flushing secondaries that were promoted to
931 * primaries.
932 */
933 if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY))
934 goto flush_done;
aba5acdf 935 }
64c79560
BG		 936 fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops);
937 fflush(stderr);
7b3d366e 938 return 1;
aba5acdf
SH		 939 }
940
941 if (filter.family != AF_PACKET) {
942 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
943 perror("Cannot send dump request");
944 exit(1);
945 }
946
cd70f3f5 947 if (rtnl_dump_filter(&rth, store_nlmsg, &ainfo) < 0) {
aba5acdf
SH		 948 fprintf(stderr, "Dump terminated\n");
949 exit(1);
950 }
951 }
952
953
954 if (filter.family && filter.family != AF_PACKET) {
955 struct nlmsg_list **lp;
956 lp=&linfo;
957
958 if (filter.oneline)
959 no_link = 1;
960
961 while ((l=*lp)!=NULL) {
962 int ok = 0;
963 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
964 struct nlmsg_list *a;
965
966 for (a=ainfo; a; a=a->next) {
967 struct nlmsghdr *n = &a->h;
968 struct ifaddrmsg *ifa = NLMSG_DATA(n);
969
ae665a52 970 if (ifa->ifa_index != ifi->ifi_index ||
aba5acdf
SH		 971 (filter.family && filter.family != ifa->ifa_family))
972 continue;
973 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
974 continue;
975 if ((filter.flags^ifa->ifa_flags)&filter.flagmask)
976 continue;
977 if (filter.pfx.family || filter.label) {
978 struct rtattr *tb[IFA_MAX+1];
aba5acdf
SH		 979 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
980 if (!tb[IFA_LOCAL])
981 tb[IFA_LOCAL] = tb[IFA_ADDRESS];
982
983 if (filter.pfx.family && tb[IFA_LOCAL]) {
984 inet_prefix dst;
985 memset(&dst, 0, sizeof(dst));
986 dst.family = ifa->ifa_family;
987 memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL]));
988 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
989 continue;
990 }
991 if (filter.label) {
992 SPRINT_BUF(b1);
993 const char *label;
994 if (tb[IFA_LABEL])
995 label = RTA_DATA(tb[IFA_LABEL]);
996 else
997 label = ll_idx_n2a(ifa->ifa_index, b1);
998 if (fnmatch(filter.label, label, 0) != 0)
999 continue;
1000 }
1001 }
1002
1003 ok = 1;
1004 break;
1005 }
1006 if (!ok)
1007 *lp = l->next;
1008 else
1009 lp = &l->next;
1010 }
1011 }
1012
8ed63ab1
SH		 1013 for (l=linfo; l; l = n) {
1014 n = l->next;
aba5acdf
SH		 1015 if (no_link || print_linkinfo(NULL, &l->h, stdout) == 0) {
1016 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
1017 if (filter.family != AF_PACKET)
1018 print_selected_addrinfo(ifi->ifi_index, ainfo, stdout);
1019 }
1020 fflush(stdout);
8ed63ab1 1021 free(l);
aba5acdf
SH		 1022 }
1023
351efcde 1024 return 0;
aba5acdf
SH		 1025}
1026
1027int ipaddr_list_link(int argc, char **argv)
1028{
1029 preferred_family = AF_PACKET;
1030 do_link = 1;
1031 return ipaddr_list_or_flush(argc, argv, 0);
1032}
1033
1034void ipaddr_reset_filter(int oneline)
1035{
1036 memset(&filter, 0, sizeof(filter));
1037 filter.oneline = oneline;
1038}
1039
3d866ba2 1040static int default_scope(inet_prefix *lcl)
aba5acdf
SH		 1041{
1042 if (lcl->family == AF_INET) {
1043 if (lcl->bytelen >= 1 && *(__u8*)&lcl->data == 127)
1044 return RT_SCOPE_HOST;
1045 }
1046 return 0;
1047}
1048
3d866ba2 1049static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
aba5acdf 1050{
aba5acdf
SH		 1051 struct {
1052 struct nlmsghdr n;
1053 struct ifaddrmsg ifa;
1054 char buf[256];
1055 } req;
1056 char *d = NULL;
1057 char *l = NULL;
f082b64f 1058 char *lcl_arg = NULL;
35546df7
MN		 1059 char *valid_lftp = NULL;
1060 char *preferred_lftp = NULL;
aba5acdf
SH		 1061 inet_prefix lcl;
1062 inet_prefix peer;
1063 int local_len = 0;
1064 int peer_len = 0;
1065 int brd_len = 0;
1066 int any_len = 0;
1067 int scoped = 0;
141bb606
MN		 1068 __u32 preferred_lft = INFINITY_LIFE_TIME;
1069 __u32 valid_lft = INFINITY_LIFE_TIME;
35546df7 1070 struct ifa_cacheinfo cinfo;
aba5acdf
SH		 1071
1072 memset(&req, 0, sizeof(req));
1073
1074 req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
0aef366b 1075 req.n.nlmsg_flags = NLM_F_REQUEST | flags;
aba5acdf
SH		 1076 req.n.nlmsg_type = cmd;
1077 req.ifa.ifa_family = preferred_family;
1078
1079 while (argc > 0) {
1080 if (strcmp(*argv, "peer") == 0 ||
1081 strcmp(*argv, "remote") == 0) {
1082 NEXT_ARG();
1083
1084 if (peer_len)
1085 duparg("peer", *argv);
1086 get_prefix(&peer, *argv, req.ifa.ifa_family);
1087 peer_len = peer.bytelen;
1088 if (req.ifa.ifa_family == AF_UNSPEC)
1089 req.ifa.ifa_family = peer.family;
1090 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
1091 req.ifa.ifa_prefixlen = peer.bitlen;
1092 } else if (matches(*argv, "broadcast") == 0 ||
1093 strcmp(*argv, "brd") == 0) {
1094 inet_prefix addr;
1095 NEXT_ARG();
1096 if (brd_len)
1097 duparg("broadcast", *argv);
1098 if (strcmp(*argv, "+") == 0)
1099 brd_len = -1;
1100 else if (strcmp(*argv, "-") == 0)
1101 brd_len = -2;
1102 else {
1103 get_addr(&addr, *argv, req.ifa.ifa_family);
1104 if (req.ifa.ifa_family == AF_UNSPEC)
1105 req.ifa.ifa_family = addr.family;
1106 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
1107 brd_len = addr.bytelen;
1108 }
1109 } else if (strcmp(*argv, "anycast") == 0) {
1110 inet_prefix addr;
1111 NEXT_ARG();
1112 if (any_len)
1113 duparg("anycast", *argv);
1114 get_addr(&addr, *argv, req.ifa.ifa_family);
1115 if (req.ifa.ifa_family == AF_UNSPEC)
1116 req.ifa.ifa_family = addr.family;
1117 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
1118 any_len = addr.bytelen;
1119 } else if (strcmp(*argv, "scope") == 0) {
f332d169 1120 unsigned scope = 0;
aba5acdf
SH		 1121 NEXT_ARG();
1122 if (rtnl_rtscope_a2n(&scope, *argv))
1123 invarg(*argv, "invalid scope value.");
1124 req.ifa.ifa_scope = scope;
1125 scoped = 1;
1126 } else if (strcmp(*argv, "dev") == 0) {
1127 NEXT_ARG();
1128 d = *argv;
1129 } else if (strcmp(*argv, "label") == 0) {
1130 NEXT_ARG();
1131 l = *argv;
1132 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
35546df7
MN		 1133 } else if (matches(*argv, "valid_lft") == 0) {
1134 if (valid_lftp)
1135 duparg("valid_lft", *argv);
1136 NEXT_ARG();
1137 valid_lftp = *argv;
1138 if (set_lifetime(&valid_lft, *argv))
1139 invarg("valid_lft value", *argv);
1140 } else if (matches(*argv, "preferred_lft") == 0) {
1141 if (preferred_lftp)
1142 duparg("preferred_lft", *argv);
1143 NEXT_ARG();
1144 preferred_lftp = *argv;
1145 if (set_lifetime(&preferred_lft, *argv))
1146 invarg("preferred_lft value", *argv);
bac735c5
NT		 1147 } else if (strcmp(*argv, "home") == 0) {
1148 req.ifa.ifa_flags |= IFA_F_HOMEADDRESS;
1149 } else if (strcmp(*argv, "nodad") == 0) {
1150 req.ifa.ifa_flags |= IFA_F_NODAD;
aba5acdf
SH		 1151 } else {
1152 if (strcmp(*argv, "local") == 0) {
1153 NEXT_ARG();
1154 }
1155 if (matches(*argv, "help") == 0)
1156 usage();
1157 if (local_len)
1158 duparg2("local", *argv);
f082b64f 1159 lcl_arg = *argv;
aba5acdf
SH		 1160 get_prefix(&lcl, *argv, req.ifa.ifa_family);
1161 if (req.ifa.ifa_family == AF_UNSPEC)
1162 req.ifa.ifa_family = lcl.family;
1163 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
1164 local_len = lcl.bytelen;
1165 }
1166 argc--; argv++;
1167 }
1168 if (d == NULL) {
1169 fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
1170 return -1;
1171 }
1172 if (l && matches(d, l) != 0) {
1173 fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l);
1db61e02 1174 return -1;
aba5acdf
SH		 1175 }
1176
f082b64f 1177 if (peer_len == 0 && local_len) {
1178 if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
1179 fprintf(stderr,
1180 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n" \
1181 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n" \
1182 " This special behaviour is likely to disappear in further releases,\n" \
1183 " fix your scripts!\n", lcl_arg, local_len*8);
1184 } else {
1185 peer = lcl;
1186 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
1187 }
aba5acdf
SH		 1188 }
1189 if (req.ifa.ifa_prefixlen == 0)
1190 req.ifa.ifa_prefixlen = lcl.bitlen;
1191
1192 if (brd_len < 0 && cmd != RTM_DELADDR) {
1193 inet_prefix brd;
1194 int i;
1195 if (req.ifa.ifa_family != AF_INET) {
1196 fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
1197 return -1;
1198 }
1199 brd = peer;
1200 if (brd.bitlen <= 30) {
1201 for (i=31; i>=brd.bitlen; i--) {
1202 if (brd_len == -1)
1203 brd.data[0] |= htonl(1<<(31-i));
1204 else
1205 brd.data[0] &= ~htonl(1<<(31-i));
1206 }
1207 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
1208 brd_len = brd.bytelen;
1209 }
1210 }
1211 if (!scoped && cmd != RTM_DELADDR)
1212 req.ifa.ifa_scope = default_scope(&lcl);
1213
aba5acdf
SH		 1214 ll_init_map(&rth);
1215
1216 if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
1217 fprintf(stderr, "Cannot find device \"%s\"\n", d);
1218 return -1;
1219 }
1220
35546df7
MN		 1221 if (valid_lftp || preferred_lftp) {
1222 if (!valid_lft) {
1223 fprintf(stderr, "valid_lft is zero\n");
1224 return -1;
1225 }
1226 if (valid_lft < preferred_lft) {
1227 fprintf(stderr, "preferred_lft is greater than valid_lft\n");
1228 return -1;
1229 }
1230
1231 memset(&cinfo, 0, sizeof(cinfo));
1232 cinfo.ifa_prefered = preferred_lft;
1233 cinfo.ifa_valid = valid_lft;
1234 addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo,
1235 sizeof(cinfo));
1236 }
1237
cd70f3f5 1238 if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
1db61e02 1239 return -2;
aba5acdf 1240
351efcde 1241 return 0;
aba5acdf
SH		 1242}
1243
1244int do_ipaddr(int argc, char **argv)
1245{
1246 if (argc < 1)
1247 return ipaddr_list_or_flush(0, NULL, 0);
1248 if (matches(*argv, "add") == 0)
0aef366b
NT		 1249 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
1250 if (matches(*argv, "change") == 0 ||
1251 strcmp(*argv, "chg") == 0)
1252 return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1);
1253 if (matches(*argv, "replace") == 0)
1254 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
aba5acdf 1255 if (matches(*argv, "delete") == 0)
0aef366b 1256 return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1);
aba5acdf
SH		 1257 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
1258 || matches(*argv, "lst") == 0)
1259 return ipaddr_list_or_flush(argc-1, argv+1, 0);
1260 if (matches(*argv, "flush") == 0)
1261 return ipaddr_list_or_flush(argc-1, argv+1, 1);
1262 if (matches(*argv, "help") == 0)
1263 usage();
b096fa5f 1264 fprintf(stderr, "Command \"%s\" is unknown, try \"ip addr help\".\n", *argv);
aba5acdf
SH		 1265 exit(-1);
1266}
1267
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